Tennis Channel Court Report: Djokovic into 4th round

Serena Williams and Novak Djokovic both advanced to the fourth round of the U.S. Open Saturday. American John Isner was ousted by Germany's Philipp Kohlschreiber.

http://www.wgrz.com/video/3759390315001/1/Tennis-Channel-Court-Report-Djokovic-into-4th-roundhttp://videos.usatoday.net/Brightcove2/29906170001/2014/08/29906170001_3759382353001_thumbnail-for-video-3759085207001.jpg?pubId=29906170001Tennis Channel Court Report: Djokovic into 4th roundSerena Williams and Novak Djokovic both advanced to the fourth round of the U.S. Open Saturday. American John Isner was ousted by Germany's Philipp Kohlschreiber.01:34